2011220011101 has 12 divisors (see below), whose sum is σ = 3119443282752. Its totient is φ = 1149268577688.

The previous prime is 2011220011079. The next prime is 2011220011139. The reversal of 2011220011101 is 1011100221102.

It is not a de Polignac number, because 2011220011101 - 2²¹ = 2011217913949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011220011201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6840884245 + ... + 6840884538.

It is an arithmetic number, because the mean of its divisors is an integer number (259953606896).

Almost surely, 2^{2011220011101} is an apocalyptic number.

2011220011101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2011220011101 is a deficient number, since it is larger than the sum of its proper divisors (1108223271651).

2011220011101 is a wasteful number, since it uses less digits than its factorization.

2011220011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681768800 (or 13681768793 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011220011101 its reverse (1011100221102), we get a palindrome (3022320232203).

The spelling of 2011220011101 in words is "two trillion, eleven billion, two hundred twenty million, eleven thousand, one hundred one".